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# ASAuthorizationPlatformPublicKeyCredentialRegistrationRequest

The object for registering a new platform public key credential.

```
class ASAuthorizationPlatformPublicKeyCredentialRegistrationRequest
```

## Overview

Create an instance of this class when registering for a new credential using platform authorization.

## Topics

### Accessing request properties

[`largeBlob`](/documentation/AuthenticationServices/ASAuthorizationPlatformPublicKeyCredentialRegistrationRequest/largeBlob-5ismm)

The request’s binary large object value.

[`largeBlob`](/documentation/AuthenticationServices/ASAuthorizationPlatformPublicKeyCredentialRegistrationRequest/largeBlob-28v2m)

The request’s binary large object value.


---

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